diff --git a/app/models/tag_subscription.rb b/app/models/tag_subscription.rb
index a9c18fcce..6ec6b68e2 100644
--- a/app/models/tag_subscription.rb
+++ b/app/models/tag_subscription.rb
@@ -9,7 +9,7 @@ class TagSubscription < ActiveRecord::Base
   validate :creator_can_create_subscriptions, :on => :create
   
   def normalize_name
-    self.name = name.gsub(/\W/, "_")
+    self.name = name.gsub(/\s+/, "_")
   end
   
   def pretty_name